根茎的

Rootstock ± vertical, 5-12 mm in diam., not tuberculate, with thickened roots along rootstock. Stem 16-50 cm tall, erect, not rooting at nodes, with 0.2-1.3 mm retrorse to patent nonglandular trichomes and rarely 0.7-0.8 mm patent glandular trichomes.

根茎多少垂直，直径5-12毫米，不具瘤，根沿着根茎加粗。16-50厘米高的茎，直立，并非根在节上，具0.2-1.3毫米对开展非腺状毛状体和很少开展腺毛0.7-0.8毫米。

Objective To study on qualitative and quantitative methods for the main active constituents of acanthopanax senticosus by TLC and HPLC and compare the quality of stem with the quality of root and rootstalk.

目的采用薄层色谱法和高效液相色谱法对市售刺五加根、根茎、及茎中主要活性成分进行定性定量研究，比较刺五加根、根茎、及茎的质量。

From the perspective of engineering materials research, the microstructure of root, stem and leaf of wheat were observed and analyzed in using electron microscope technology.

根茎叶具有的强度和刚度，是小麦在复杂外力作用下能正常生长的主要原因，是根茎叶资源工业开发利用的基本依据。2。

Phytophthora root and stem rot, caused by Phytophthora sojae, is a prevalent and destructive disease in some soybean-growing regions. The causal fungus overwinters with oospores in soil and causes soybean root and stem rot next year.

在某些大豆生产区，由大豆疫霉菌引起的大豆根茎腐烂病是一种普遍流行的、极具破坏性的病害，病原真菌以卵孢子在土壤中越冬，在条件适宜时导致下一年大豆发生根茎腐烂。

"Half the blueberry plant is underground rhizome system," Yarborough explains, burn off, you get these new sprouts .

"蓝莓植株本身有一半作为根茎系长在地下，"亚伯勒解释说：当你焚烧这些植物后，从地下的根茎上便更容易长出更多嫩芽。

Rhizomatic biomass percent was highest under -5 cm water level, and after the change of the water regimes through the growing season, C. lasiocarpa undergoing -5 cm water level treatment at beginning or the later growing season, had higher biomass percent.

cm水位条件下，毛苔草根茎生物量占总生物量的比重最大；而且水文情势改变后，无论苗期还是生长季末期，仍以经历－5 cm水位处理的毛苔草根茎生物量比重较大。

It was investigated how to increase the yield and purity of tannin, flavone and oligoprocyanidms from the root and stalk of sanguisorba, and the stability of polyphenols from sanguisorba was studied, too. The chemical constitutes of sanguisorba were analyzed, the conditions on extracting tannin, flavone and oligoprocyanidins from sanguisorba by general lixiviating process and ultrasonic wave were optimize. The flavone and oligoprocyanidins were separated from sanguisorba and purified. The stability of polyphenol from sanguisorba was studied and the chemical structure of the products was analyzed.

本论文以地榆根茎为原料，对如何提高其主要活性成分鞣质、黄酮类物质以及低聚原花青素得率和纯度以及地榆多酚的稳定性进行了探讨；主要分析了地榆中化学成分，常规浸提和超声波浸提对地榆根茎中鞣质、黄酮类以及低聚原花青素提取条件的优化，地榆根中黄酮类和低聚原花青素的分离纯化，地榆多酚稳定性能以及产品的初步化学结构分析。

Based on the observation about the ramets characters of predominant clonal rhizome plants from wetland, their modular structure, reproductive allocation and population dynamics were measured and results indicate that:(1) There are 2 or 3 age classes of ramets and 3 types of tubers of Scirpus planiculmis population in terms of four times observation in three years.

对湿地优势根茎植物种群分株构件的年龄结构、构件性状、生殖分配及种群数量动态观测结果表明：(1)紧穗三棱草种群分株3年4次观测有2～3个龄级，球状根茎可划分为3个类型。

Pharmacological effect might well change obviously when themedicinal material size is decreased to micro- or nano-size. For those plant herbs, it isdifficult to be ground to nanosize through conventional grinding method; while highspeed centrifugal sheering technology can be used to grind plant herbs tonanosize within a short time.

对于植物根茎类中药，很难采用普通的粉碎方法将其粉碎至微米或纳米级，而高速离心剪切式(High speed centrifugal sheering，简称HSCS)超细粉碎技术是新近发展起来的一种制备纳米粒子的技术，可以将植物根茎类药材粉碎至纳米级别。

Large genus of perennials that develop from bulbs or rhizomes.

多年生的大属由带根茎或根茎草本植物生成。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。